For example, the letter B is for "bounce like a ball," D is to "duck down," E is "elbows out" and M is "make a muscle," just to name a few.
Some weren't exactly associated with a particular dance, however. Like the letter U was for—yep, you guessed it—Usher.
And our personal favorite was Y, which stood for the star's signature phrase, "Yeeeeah, man!"
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